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THEMIS Dayside Science - Sampling the Bow Shock

In the early part of the mission, the five THEMIS satellites follow the same orbit single-file. The apogee of the orbit takes the spacecraft just beyond the bow shock of Earth's magnetosphere. This enables the closely spaced satellites to measure the thickness of the different regions that they encounter.
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The movie zooms up to the Earth from the direction of the magnetotail to view the orbits of the THEMIS satellites in their dayside orbital configuration.    The movie zooms up to the Earth from the direction of the magnetotail to view the orbits of the THEMIS satellites in their dayside orbital configuration.
Duration: 60.0 seconds
Available formats:
  1280x720   QT         23 MB
  1280x720   MPEG-4   5 MB
  1280x720   MPEG-2   40 MB
  720x480     QT         10 MB
  512x288     MPEG-1   11 MB
  1280x720   Frames
  1280x720   JPEG         133 KB
  320x180     PNG           63 KB
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We start out looking along the line of Earth's magnetotail for a view of the Sun, the Earth, and the orbit of the Moon.    We start out looking along the line of Earth's magnetotail for a view of the Sun, the Earth, and the orbit of the Moon.

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  2560 x 1440     TIFF       3 MB


Moving Earthward, just outside the boundary of the magnetosphere, we move to a position above the Moon's orbital plane.    Moving Earthward, just outside the boundary of the magnetosphere, we move to a position above the Moon's orbital plane.

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  2560 x 1440     TIFF       3 MB


We move closer to the Earth.    We move closer to the Earth.

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  2560 x 1440     TIFF       3 MB


Now we get a view of the Earth and the orbits of the five THEMIS spacecraft. The yellow arrow reminds us of the direction to the Sun (which determines the direction of the magnetosphere).    Now we get a view of the Earth and the orbits of the five THEMIS spacecraft. The yellow arrow reminds us of the direction to the Sun (which determines the direction of the magnetosphere).

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  2560 x 1440     TIFF       3 MB


We move in a little closer to better observe the satellites as their orbits carry them in and out of the magnetosphere. This enables them to sample particles and fields in the solar wind outside the magnetsphere and their effects on the magnetosphere as well.    We move in a little closer to better observe the satellites as their orbits carry them in and out of the magnetosphere. This enables them to sample particles and fields in the solar wind outside the magnetsphere and their effects on the magnetosphere as well.

Available formats:
  2560 x 1440     TIFF       3 MB


The spacecraft move back into the magnetosphere towards perigee...    The spacecraft move back into the magnetosphere towards perigee...

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  2560 x 1440     TIFF       3 MB


and then pass back into the solar wind...    and then pass back into the solar wind...

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  2560 x 1440     TIFF       3 MB


Another orbit completed...    Another orbit completed...

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  2560 x 1440     TIFF       3 MB

Short URL to This Page:http://svs.gsfc.nasa.gov/goto?3569
Animation Number:3569
Completed:2008-12-09
Animators:Tom Bridgman (GST) (Lead)
 Greg Shirah (NASA/GSFC)
Producer:Rani Gran (NASA/GSFC)
Scientists:David G. Sibeck (NASA/GSFC)
 Joachim Raeder (University of New Hampshire)
 Marit Oieroset (University of California, Berkeley)
Platforms/Sensors/Data Sets:SSCweb (2007-06-01 to 2008-06-10)
 Hipparcos/Telescope/Tycho 2 Catalogue
 Hipparcos/Telescope/Hipparcos Catalogue
 THEMIS
Series:Breach in the Bowshock
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio
 
Keywords:
SVS >> Geomagnetic Field
SVS >> HDTV
SVS >> Magnetosphere
SVS >> Moon
SVS >> Solar Wind
SVS >> Space Weather
SVS >> THEMIS
 
 


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Many of our multimedia items use the GCMD keywords. These keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0

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